all

Lab 4/asd.c

+#include <stdio.h>
+#include <string.h>
+int main()
+{
+
+float orthogonalMatrix[6][6];
+float initialVector[6] = {0.3, 0.4, -2, -4.4, 2.2, 3};
+memcpy(orthogonalMatrix[0], initialVector, 6*sizeof(float));
+float sumOfSquares;
+	
+for(int i = 1; i < 6; i++)
+{
+	sumOfSquares = 0;
+	
+	if(initialVector[i]==0)
+	{
+		orthogonalMatrix[i] [i-1]= 1;
+	}
+		
+	for(int j = i; j < 6; j++)
+	{
+		sumOfSquares += initialVector[j]*initialVector[j];
+	}
+
+	if(sumOfSquares == 0)
+	{
+		for(int j = i; j < 6; j++)
+		{
+			orthogonalMatrix[j][j] = 1;
+		}
+	}
+
+	initialVector[i-1] = -1 * sumOfSquares / initialVector[i-1];
+	memcpy(orthogonalMatrix[i], initialVector, 6 * sizeof(float));
+	initialVector[i-1] = 0;
+}
+	
+	
+for(int i = 0; i < 6; i++)
+{
+	for(int j = 0; j < 6; j++)
+	{
+		printf("%f,", orthogonalMatrix[i][j]);
+	}
+	
+	printf("\n");
+}
+	
+	return 0;
+}

Lab 4/matrices.c

+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+	int matricesWidth = 0;
+	int matricesHeight = 0;
+	int checker = 0;
+	
+	//Input Matrices Size and Checks for Being Square
+	while(checker == 0)
+	{
+		printf("Please enter a matrices width: ");
+		scanf("%d", &matricesWidth);
+	
+		printf("Please enter a matrices height: ");
+		scanf("%d", &matricesHeight);
+		
+		if(matricesWidth == matricesHeight)
+		{
+			checker = 1;
+		}
+	}
+	
+	int matricesOne[matricesHeight][matricesWidth];
+	
+	int matricesTwo[matricesHeight][matricesWidth];
+	
+	int i;
+	int z;
+	
+	//Inputs Matrice 1 and 2 Values
+	for(i = 0; i < matricesHeight; i++)
+	{
+		for(z = 0; z < matricesWidth; z++)
+		{
+			printf("\nPlease enter a value for Matrices 1 at Row: %d and Column: %d", i, z);
+			scanf("%d", &matricesOne[i][z]);
+			
+			printf("\nPlease enter a value for Matrices 2 at Row: %d and Column: %d", i, z);
+			scanf("%d", &matricesTwo[i][z]);
+		}
+	}
+	
+	//Makes 2D arrays for the subbing and adding
+	int subtractResult[matricesHeight][matricesWidth];
+	int additionResult[matricesHeight][matricesWidth];
+	
+	int matOneMulti = 1;
+	int matOneTwoMulti = 1;
+	
+	int matTwoMulti = 1;
+	int matTwoTwoMulti = 1;
+	
+	int matOneSum = 0;
+	int matTwoSum = 0;
+	
+	int matPos = matricesHeight-1;
+	
+	int a = 0;
+	int b = 0;
+	
+	//Adds and Subtracts the Arrays
+	for(i = 0; i < matricesHeight; i++)
+	{
+		for(z = 0; z < matricesWidth; z++)
+		{
+			subtractResult[i][z] = matricesOne[i][z] - matricesTwo[i][z];
+			additionResult[i][z] = matricesTwo[i][z] + matricesTwo[i][z];
+		}
+		
+		//Diagonal Multi
+		if(a == b)
+		{
+			matOneMulti = matOneMulti*matricesOne[a][b];
+			matOneTwoMulti = matOneTwoMulti*matricesOne[a+matPos][b];
+			
+			matTwoMulti = matTwoMulti*matricesTwo[a][b];
+			matTwoTwoMulti = matTwoTwoMulti*matricesTwo[a+matPos][b];
+			
+			matPos = matPos-matricesHeight/2;
+		}
+		
+		a++;
+		b++;
+	}
+	
+	//Diag Multi Cont.
+	matOneSum = matOneMulti + matOneTwoMulti;
+	
+	matTwoSum = matTwoMulti + matTwoTwoMulti;
+	
+	//Prints out the arrays
+	printf("Array 1 \n");
+	
+	for(i = 0; i < matricesWidth; i++)
+	{
+		for(z = 0; z < matricesHeight; z++)
+		{
+			printf("%d, ", matricesOne[i][z]);
+		}
+		printf("\n");
+	}
+	
+    printf("\n");
+	printf("Array 2 \n");
+	
+	for(i = 0; i < matricesWidth; i++)
+	{
+		for(z = 0; z < matricesHeight; z++)
+		{
+			printf("%d, ", matricesTwo[i][z]);	
+		}
+		printf("\n");
+	}
+	
+	printf("\n");
+	printf("Subtraction \n");
+	
+	for(i = 0; i < matricesWidth; i++)
+	{
+		for(z = 0; z < matricesHeight; z++)
+		{
+			printf("%d, ", subtractResult[i][z]);	
+		}
+		printf("\n");
+	}
+	
+	printf("\n");
+	printf("Addition \n");
+	
+	for(i = 0; i < matricesWidth; i++)
+	{
+		for(z = 0; z < matricesHeight; z++)
+		{
+			printf("%d, ", additionResult[i][z]);	
+		}
+		printf("\n");
+	}
+	
+	printf("\n");
+	printf("Multiply 1: %d \n", matOneSum);
+	
+	printf("\n");
+	printf("Multiply 2: %d \n", matTwoSum);
+	
+	return 0;
+}

Lab 4/names.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main()
+{
+	char name[10][30];
+	
+	int numDupli = 1;
+	int i;
+	int j;
+	
+	for(i = 1; i <= 10; i++)
+	{
+		printf("\nPlease Enter a Name %d: ", i);
+		scanf("%s", &name[i-1][0]);
+		printf("\n");
+	}
+	
+	for(i = 0; i < 10; i++)
+	{
+		strlwr(name[i]);
+	}
+	
+	for(i = 0; i < 9; i++)
+	{
+		for(j = i; j < 9; j++)
+		{
+			if(strcmp(name[i], name[j+1]) == 0)
+			{
+				numDupli++;
+				j = 9;
+			}
+		}
+	}
+	
+	printf("\n");
+	printf("%d", numDupli);
+}